Include GIO/GLib in configure.ac

Platform
1

Hello, I need to edit https://github.com/BOINC/boinc/blob/master/configure.ac in order to add GIO/GLib inside. In this BOINC mailing list discussion
I have been told to take libnotify as example, but it is not trivial, since when it comes to edit things like PKG_CHECK_MODULES(LIBNOTIFY, [libnotify])
I have no idea about how to proceed.
Thank you

2

PKG_CHECK_MODULES([GLIB],[glib-2.0 gio-2.0])

and then add $(GLIB_CFLAGS) to your target’s CFLAGS variable, and $(GLIB_LIBS) to your target’s LDADD/LIBADD variable.

Philip

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3

For more information about Autotools, I recomment Autotools Mythbuster, which incidentally has a full chapter about finding dependencies with pkg-config.

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4

I think I will read the whole guide suggested by @ebassi because I cannot understand where are the target’s CFLAGS variable, and LDADD/LIBADD variable.

5

Try these lines:

PKG_CHECK_MODULES([GIO], [gio-2.0])
CPPFLAGS="${CPPFLAGS} ${GIO_CFLAGS}"
LIBS="${LIBS} ${GIO_LIBS}"

GLib is a dependency of GIO; therefore, the above lines should include it automatically.

6

It’s not recommended to just blast over the global C pre-processor flags (which have nothing to do with the C compiler flags) and libraries, especially if the project is complex and has multiple targets.

7

You will have to ask somebody who is familiar with the build system of the project you’re patching; the maintainers should be able to help you.

8

Is this reply for @greg-king ?

I already asked in a BOINC development mailing list thread, but I am getting more detailed infos in this GNOME discourse thread

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